alexellis/arkade 0.11.70

Update README for arkade oci install and extract alias

on GitHub

Changelog for 0.11.70:

Commits
8069d3b Update README for arkade oci install and extract alias by @alexellis
0443fd8 Update oci install to extract to arg[0] rather than path by @alexellis

Changes: 0.11.69...0.11.70

Generated by Derek